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Finding the Fourth Proportional to 6,358.80, 8,775.60 and 3,841.50

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Solution

The fourth proportional to 6,358.80, 8,775.60 and 3,841.50 is: 5,301.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,358.80 : 8,775.60 = 3,841.50 : x
  2. Step 2: Convert to fraction form
    6,358.80/8,775.60 = 3,841.50/x
  3. Step 3: Cross multiply
    6,358.80x = 8,775.60 × 3,841.50
  4. Step 4: Simplify right side
    6,358.80x = 33,711,467.40
  5. Step 5: Solve for x
    x = 33,711,467.40/6,358.80
  6. Step 6: Final answer
    x = 5,301.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.